Here is the full list of all 19 >observer_ achievements. It takes around 12-15 hours to unlock all of the achievements on Windows.
Find and listen to all patient interview recordings.
Earn 3000 points during a single trapware run.
Overdose on synchronization pills.
Embrace Adam.
Finish the game without dying.
Find all nanophage patient cards in a single playthrough.
Reject Adam.
Survive Adam’s trapware.
Complete all With Fire And Sword: Spiders arcade games
Find all roses and discover the final resting place.
Decide the fate of the organ farm.
Analyze 100 objects.
Interrogate 20 tenants.
Decrypt Adam’s figurine.
Find all RC cars and recall a memory of Adam.
Interrogate Amir’s clients.
Complete your first Dream Eater sequence.
Find 10 nanophage patient cards.
Decide the fate of the merging minds.